Boot hook



FIG. 1 is a perspective view of a boot hook showing my new design;

FIG. 2 is a right side elevation thereof; the left side elevation being a mirror image thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a boot hook, as shown and described. 